VOORHEES, N.J. -- While they weren't even playing games, but in the kind of moment that has long defined their struggles, the Flyers lost Danny Briere ... and perhaps for a long time.

According to general manager Paul Holmgren in a message delivered by the club Monday, Briere is "out indefinitely with a concussion."

The injury occurred sometime during a five-day, three-practice break that preceded a 2-1 overtime loss in Pittsburgh, most likely Saturday, when he crashed into the boards. Briere did not play against the Pens, yet until Monday his injury had been described by the team only as of the "upper-body" variety.

Defenseman Nick Grossmann was also scratched Sunday with an "upper-body" misery, though he'd made the trip to Pittsburgh. Through an e-mail, Holmgren characterized Grossmann as "day-to-day" and added no clarification.

"Well, that's part of hockey," Kimmo Timonen said Monday at the Skate Zone. "That happens. That tells you how hard we practiced actually that week. Sometimes, you need to practice hard and get some practice time. You never want to lose two players due to practice, but it is part of the game and I have seen that happen. Hopefully those guys get back soon."

Briere, 35, joined the Flyers in 2007 and has accumulated 280 points. He has not scored in 13 games. He missed six games with a concussion last season, and the first four games of this season after breaking his wrist while playing professionally in Germany during the NHL players lockout.

While Briere would have had to waive a no-trade clause anyway, the concussion reports will suppress any value the Flyers may have hoped to gain from him before the April 3 trade deadline.

Briere has five goals and 13 points in 26 games.

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The Flyers recalled left wing Tye McGinn from the AHL Phantoms. McGinn will be available to face the Rangers Tuesday in the Wells Fargo Center.

McGinn is 6-2, 205 pounds and played 16 games earlier this season for the Flyers, generating three goals and two assists. The Flyers' fourth-round draft choice in 2010 has collected14 goals and 12 points for the Phantoms this season.

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As they embark on a 17-game push for the playoffs, the Flyers have at least one thing going for them: Ilya Bryzgalov, who made 33 saves in the Flyers' 2-1 overtime loss Sunday in Pittsburgh.

"Bryz played very well for us and made a lot of key stops on their Grade A, quality chances and things like that," Braydon Coburn said. "But I think there is still some work to be done there."

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Many supporters of Kimmo Timonen will watch the Flyers-Rangers game today, several arriving from overseas.

"Yeah, I have a lot of family and fans in town," Timonen said. "I don't get emotional too often, but it's going to be different because everybody is in town and everybody is going to be at the game. I am looking forward to it. At the same time, we know it is a big game. But at the individual level, it's going to probably be an emotional game.

"My family is here, and some friends. It's probably 40 people, not all from Finland, maybe 20 from Finland."

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While it may have appeared that the Flyers changed some things in their end against the Penguins -- breaking out along the edges, perhaps, and not so much up the middle -- Peter Laviolette implied that it was an optical illusion.

"We haven't changed the breakout much," he said. "The execution of what we do is always important. The minor changes we have made throughout the course of the year, sometimes they do go from opponent to opponent, but everything was status quo from Tampa to Pittsburgh. But the changes are minor. The system hasn't changed for the most part all year."

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NOTES: Coburn said he was not called by the NHL for a hearing concerning a third-period hit that laid out Penguin Pascal Dupuis. Was he expecting one? "Nope." ... Laviolette on the Rangers: "They have some high-end players, some players who are really capable of hurting you if you don't defend well. So certainly that jumps out. Being able to generate in the offensive zone the way we want to against their defense with their shot-blocking is a challenge for us as well. But our guys will be ready. I think we've seen the Rangers enough to know what they do and what they are capable of." ... The Flyers will unveil a seven-foot statue commemorating their 1974 and 1975 Stanley Cup championships at 11 a.m. Saturday at Xfinity Live.